4. The
physical quantities
have only
magnitude and no
direction are called
scalar quantities
Eg:Speed,Distance
The
physical quantities
posses both
magnitude and
direction are called
vector quantities
Eg:velocity,accilerat
ion
5. It is the rate of change of displacement
velocity=Displacement/Time
Unit=m/s
6. It is the rate of change of velocity
Acceleration=Change of velocity/Time
Unit=m/s